PLS HELP ASAP (no links)
15% of n is 60

A. 4
B. 9
C. 400
D. 25
E. 30

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Find the distance between the point (-3,-4), and (see the picture below)